It offers dual HDMI inputs and a USB 3.0/2.0 port that lets you play videos, listen to your favourite music or browse your photos from your USB drive without needing to use a PC. Some other features of 55LN5400 include MHL mobile device mirroring for connecting your Smartphones, SIMPLINK multi-device control, multiple picture and sound modes, Virtual Surround and Clear Voice II technology and 20W stereo speakers.